{"id":"CVE-2020-26868","title":"ARC Informatique PcVue prior to version 12.0.17 is vulnerable to a denial-of-service attack due to the ability of an unauthorized user to modify information used to validate messages sent by legitimate web clients","summary":"ARC Informatique PcVue prior to version 12.0.17 is vulnerable to a denial-of-service attack due to the ability of an unauthorized user to modify information used to validate messages sent by legitimate web clients. This issue also affect…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-767","CWE-668"],"vendor":"arcinformatique","product":"pcvue","affected":["pcvue >= 8.10, < 12.0.17"],"patched":["pcvue 12.0.17"],"published":"2020-10-12","updated":"2026-07-09","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2020-26868","references":[{"url":"https://ics-cert.kaspersky.com/advisories/klcert-advisories/2020/10/09/klcert-20-016-denial-of-service-in-arc-informatique-pcvue/","label":"vulnerability@kaspersky.com"},{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-20-308-03","label":"vulnerability@kaspersky.com"},{"url":"https://www.pcvuesolutions.com/security","label":"vulnerability@kaspersky.com"},{"url":"https://www.pcvuesolutions.com/support/index.php/en/security-bulletin/1076-security-bulletin-2020-1","label":"vulnerability@kaspersky.com"},{"url":"https://ics-cert.kaspersky.com/advisories/klcert-advisories/2020/10/09/klcert-20-016-denial-of-service-in-arc-informatique-pcvue/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-20-308-03","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.pcvuesolutions.com/security","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.pcvuesolutions.com/support/index.php/en/security-bulletin/1076-security-bulletin-2020-1","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.02151,"epssPercentile":0.81344,"ingestedAt":"2026-07-09T15:51:17.506Z","slug":"CVE-2020-26868","body":"## Overview\n\nARC Informatique PcVue prior to version 12.0.17 is vulnerable to a denial-of-service attack due to the ability of an unauthorized user to modify information used to validate messages sent by legitimate web clients. This issue also affects third-party systems based on the Web Services Toolkit.\n\n## Affected\n\n- `pcvue >= 8.10, < 12.0.17`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `pcvue 12.0.17`","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":41.3,"likelihood":0.4,"exploitation":0,"ransomware":0},"changes":[]}